Home / 87,699.60-131,571.24-25,370.10

Finding the Fourth Proportional to 87,699.60, 131,571.24 and 25,370.10

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Solution

The fourth proportional to 87,699.60, 131,571.24 and 25,370.10 is: 38,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,699.60 : 131,571.24 = 25,370.10 : x
  2. Step 2: Convert to fraction form
    87,699.60/131,571.24 = 25,370.10/x
  3. Step 3: Cross multiply
    87,699.60x = 131,571.24 × 25,370.10
  4. Step 4: Simplify right side
    87,699.60x = 3,337,975,515.92
  5. Step 5: Solve for x
    x = 3,337,975,515.92/87,699.60
  6. Step 6: Final answer
    x = 38,061.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.